transmission/libtransmission/cache.h

73 lines
1.9 KiB
C

/*
* This file Copyright (C) Mnemosyne LLC
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id$
*/
#ifndef __TRANSMISSION__
#error only libtransmission should #include this header.
#endif
#ifndef TR_CACHE_H
#define TR_CACHE_H
struct evbuffer;
typedef struct tr_cache tr_cache;
/***
****
***/
tr_cache * tr_cacheNew( int64_t max_bytes );
void tr_cacheFree( tr_cache * );
/***
****
***/
int tr_cacheSetLimit( tr_cache * cache, int64_t max_bytes );
int64_t tr_cacheGetLimit( const tr_cache * );
int tr_cacheWriteBlock( tr_cache * cache,
tr_torrent * torrent,
tr_piece_index_t piece,
uint32_t offset,
uint32_t len,
struct evbuffer * writeme );
int tr_cacheReadBlock( tr_cache * cache,
tr_torrent * torrent,
tr_piece_index_t piece,
uint32_t offset,
uint32_t len,
uint8_t * setme );
int tr_cachePrefetchBlock( tr_cache * cache,
tr_torrent * torrent,
tr_piece_index_t piece,
uint32_t offset,
uint32_t len );
/***
****
***/
int tr_cacheFlushDone( tr_cache * cache );
int tr_cacheFlushTorrent( tr_cache * cache,
tr_torrent * torrent );
int tr_cacheFlushFile( tr_cache * cache,
tr_torrent * torrent,
tr_file_index_t file );
#endif